UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aZ2/rNNp20Q9C2l2skgPu77eo9abtabPFGo5D3+PfeI=' 
WHERE 
  key_id = '939aaec7e6c6f22d58d2587767a0e1250f4308fd276ee12afd24d0833a45be69' 
  AND (
    token = 'aZ2/rNNp20Q9C2l2skgPu77eo9abtabPFGo5D3+PfeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )